38447061 has 4 divisors (see below), whose sum is σ = 51262752. Its totient is φ = 25631372.

The previous prime is 38447023. The next prime is 38447063. The reversal of 38447061 is 16074483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38447061 - 2¹⁸ = 38184917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38447063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6407841 + ... + 6407846.

It is an arithmetic number, because the mean of its divisors is an integer number (12815688).

Almost surely, 2^38447061 is an apocalyptic number.

It is an amenable number.

38447061 is a deficient number, since it is larger than the sum of its proper divisors (12815691).

38447061 is a wasteful number, since it uses less digits than its factorization.

38447061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12815690.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 38447061 is about 6200.5694093365. The cubic root of 38447061 is about 337.5108320255.

The spelling of 38447061 in words is "thirty-eight million, four hundred forty-seven thousand, sixty-one".